Footwear



FIG. 1 is a perspective view of a portion of an article of footwear, showing my new design;

FIG. 2 is a side view thereof;

FIG. 3 is an opposite side view thereof; and,

FIG. 4 is a top view thereof.

The broken line showing in the figures is for illustrative purposes only and forms no part of the claimed design.

Any surfaces, or portions of surfaces, that are not shown form no part of the claimed design. 

I claim the ornamental design for an article of footwear, as shown and described. 